Click Services.This opens the services tab, that lists all the services available in a tenant.

Click the Edit service button (pencil icon) next to the service we want to explore. Let’s say we want to look at the Box service:This opens the service configuration screen for Box.

We can see a list of features supported by Flow services here. The features supported by Box have a check mark next to them.
We can follow the same steps to see the features supported by any other Flow service, like Salesforce or Twilio.